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2020-09-23 13:08:03 <phadej> cabal build takes --ghcjs and --with-compiler flags
2020-09-23 13:08:28 <ahri> a template might be useful, I'll have a look
2020-09-23 13:08:32 <sshine> oh wow, I thought GHCJS was still on 7.x :)
2020-09-23 13:08:37 × gmt quits (~gmt@pool-71-105-108-44.nycmny.fios.verizon.net) (Ping timeout: 256 seconds)
2020-09-23 13:08:38 <ahri> phadej: oh cool, thanks
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2020-09-23 13:09:13 <ahri> yeah so my current project is actually based on Haste, which is stuck on 7.x, this is why I want to try out ghcjs!
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2020-09-23 13:13:17 <frdg> I have lists List1 and List2. I would like to compare the head of List1 with every element of List2, then I would like to do the same with List1's tail. What is a nice way to do this?
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2020-09-23 13:17:21 <frdg> this is like a nested loop in other languages now that I think about it.
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2020-09-23 13:18:40 <phadej> :t \xs ys m -> Data.Foldable.for_ xs $ \x -> Data.Foldable.for_ ys $ \y -> m x y
2020-09-23 13:18:42 <lambdabot> (Applicative f, Foldable t1, Foldable t2) => t1 t3 -> t2 t4 -> (t3 -> t4 -> f b) -> f ()
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2020-09-23 13:25:38 <pjb> frdg: compareHeadWithElements list1 list2 = map (\e -> (head list1) < e) list2 compareHeadWithElements [3, 2, 1] [1, 2, 3, 4, 5] => [False,False,False,True,True]
2020-09-23 13:25:44 × adamwespiser quits (~adam_wesp@209.6.42.110) (Ping timeout: 260 seconds)
2020-09-23 13:26:14 <hololeap> frdg: what type signature do you want it to have? it isn't clear (to me) what you want to do
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2020-09-23 13:27:15 <pjb> frdg: how do you compare elements of list2 with an element of list1 and also with a tail of list1?
2020-09-23 13:27:27 hackage primal 0.2.0.0 - Primeval world of Haskell. https://hackage.haskell.org/package/primal-0.2.0.0 (lehins)
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2020-09-23 13:27:33 <hololeap> do you want to have a growing list of every comparison, or do you want to stop when a comparison has a certain result?
2020-09-23 13:28:07 <pjb> do you want to compare all the elements of list1 with all the elements of list2? That would seem more logical.
2020-09-23 13:29:15 <hololeap> % liftA2 compare [1,2,3] [2,3,4]
2020-09-23 13:29:16 <yahb> hololeap: [LT,LT,LT,EQ,LT,LT,GT,EQ,LT]
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2020-09-23 13:29:53 <pjb> compareLists list1 list2 = map (\e1 -> map (\e2 -> e1 < e2) list2) list1 ; compareLists [3, 2, 1] [1, 2, 3, 4, 5] ==> [[False,False,False,True,True],[False,False,True,True,True],[False,True,True,True,True]]
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2020-09-23 13:35:27 hackage primal-memory 0.2.0.0 - Unified interface for memory managemenet. https://hackage.haskell.org/package/primal-memory-0.2.0.0 (lehins)
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2020-09-23 13:57:37 <shad0w_> https://byorgey.wordpress.com/2009/01/12/abstraction-intuition-and-the-monad-tutorial-fallacy/
2020-09-23 13:58:17 <shad0w_> did ^that start the entire monads are like burritos thing ?
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2020-09-23 14:08:25 <dminuoso> shad0w_: No
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2020-09-23 14:10:11 <merijn> No, a blogpost going "monads are like burritos" started that
2020-09-23 14:10:15 <merijn> Which is objectively stupid
2020-09-23 14:10:22 <merijn> Because monads aren't like burritos
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2020-09-23 14:10:31 <merijn> *co*monads are like burritos
2020-09-23 14:10:31 <AWizzArd> merijn: do you use Emacs and the Haskell Language Server?
2020-09-23 14:10:39 <merijn> "it's hard to keep things inside"
2020-09-23 14:10:44 <merijn> AWizzArd: No and no :p
2020-09-23 14:10:44 <AWizzArd> hah :)
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